| Place Name | Jefferson Township (Polk County) |
| Place Type | Township |
| ZIP Code(s) | 50109 50111 50131 50156 |
| County | Polk County |
| Area Code(s) | 515 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 13,070 |
| Majority Ethnicity | White 91.46% |
| Metro/Micro Stats Area | Des Moines-West Des Moines, IA |
| US Congressional District(s) | Iowa 3rd |
| State House Districts | 39 |
| State Senate Districts | 20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.46% |
| African American | 1.13% |
| Hispanic | 0.21% |
| Asian | 2.54% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.67% |